More than 50 years of landmark results
Since 1967, Lowey Dannenberg has represented investors and major corporations in complex litigation, recovering billions of dollars on their behalf.Solutions for Complex Cases
Professional Recommendations
Recent Cases

New York Stock Exchange/Archipelago
Notable
The Firm acted as Co-Lead Counsel for a class of seatholders seeking to enjoin the merger between the New York Stock Exchange and Archipelago Holdings, Inc. Lowey’s representation achieved revised merger terms, providing the seatholders with more than $250 million in additional consideration.

WorldCom
Notable
Lowey Dannenberg’s innovative strategy and aggressive prosecution produced an extraordinary recovery for the New York City Pension Funds in the In re WorldCom, Inc. Securities Litigation, substantially superior to that of any other WorldCom investor in either class or opt-out litigation.

Philip Services
Notable
After seven years of hard-fought litigation in the District Court and the Second Circuit Court of Appeals, Lowey Dannenberg achieved a $79 million settlement on behalf of United States investors of Philip Services Corp., a bankrupt Canadian resource recovery company.
News
The Courts Granted Final Approval for Apple Siri Litigation for $95 Million
Key Takeaways: U.S. District Judge Jeffrey S. White granted final approval on October 16, 2025, of Plaintiffs’ $95 million settlement with Apple in Lopez et al v. Apple Inc., No.4:19-cv-04577-JSW (N.D. Cal). The case alleged Apple listened to Siri users’ private…
Blog
Inside DOGE: Musk and Trump’s Push for Mass Citizen Profiling
Earlier this week, the New York Times reported that Elon Musk’s DOGE team has been quietly aggregating extensive data that the government maintains about U.S. citizens. This initiative involves at least 314 distinct data points collected by various federal agencies. These range from basic…





